Matching Pairs Vocabulary New FrontiersOnline version Vocabulary related to space exploration by Pablo Navarro 1 Geyser 2 Hazy 3 Requirement 4 Habitable 5 To equip 6 Seasonal 7 Astronomer 8 To advance 9 Diameter To provide with the necessary tools, instruments, or equipment for space exploration or research. A scientist who studies the universe, including its stars, planets, galaxies, and other phenomena. To make progress or move forward in the understanding or exploration of space. The distance across a celestial body, such as a planet, moon, or asteroid, at its widest point. Obscured or partially hidden by dust, clouds, or other particles, making it difficult to see clearly. A vent or opening in the surface of a planet or moon that erupts hot water, steam, or gas into the air. Capable of supporting life or having the potential to sustain life. Occurring or varying according to the seasons, such as seasonal changes in weather or climate on different planets. A necessary condition or need for successful space exploration or a specific space mission.